US3003015A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Battery electrode
Assignee: Exide Technologies LLC
•
Filing: 1958-06-25
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Granted: 1961-10-03
•
Expires: 1978-06-25
Abstract
No abstract record available.
Inventors
- 👤 Joseph C Duddy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 16:33
CPC Classifications
H; H01; H01M; H01M4/00; H01M4/02; H01M4/14; H01M4/16; H01M4/24; Y; Y02; Y02E; Y02E60/00; Y02E60/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
136 words
THE METHOD OF MAKING BATTERY ELECTRODES WHICH COMPRISES INTIMATELY AND THROUGHLY MIXING WITH AN ELECTROLYTICALLY REDUCIBLE METALLIC COMPOUND SELECTED FROM THE HEREINAFTER NAMED GROUP OF METALLIC COMPOUNDS A PLASTICIZED RESIN SUBSTANTIALLY INSOLUBLE IN AN ELECTROLYTE AND SOLUBLE IN A SOLUTION IN WHICH THE METAL OF SAID SELECTED METAL COMPOUND IS TO MAJOR DEGREE INSOLUBLE, SAID METALLIC COMPOUND BEING SELECTED FROM THE GROUP CONSISTING OF ZINC OXIDE, COPPER OXIDE, SILVER OXIDE, LEAD OXIDE, IRON OXIDE AND CADMIUM OXIDE, ELECTROLYTICALLY REDUCING SAID COMPOUND IN SAID ELECTROLYTE TO PRODUCE THROUGHOUT SAID MIXTURE FINELY DIVIDED METAL, SAID METAL COMPOUND BEING PRESENT IN RATIO OF AT LEAST 4 TO 1 BY WEIGHT WITH RESPECT TO SAID RESIN, AND SUBJECTING SAID MIXTURE TO A SOLVENT FOR REMOVAL OF AT LEAST THE MAJOR PORTION OF SAID RESIN TO YIELD A POROUS STRUCTURIZED MASS.
Claim 2
Independent Claim
136 words
THE METHOD OF MAKING BATTERY ELECTRODES WHICH COMPRISES INTIMATELY AND THROUGHLY MIXING WITH AN ELECTROLYTICALLY REDUCIBLE METALLIC COMPOUND SELECTED FROM THE HEREINAFTER NAMED GROUP OF METALLIC COMPOUNDS A PLASTICIZED RESIN SUBSTANTIALLY INSOLUBLE IN AN ELECTROLYTE AND SOLUBLE IN A SOLUTION IN WHICH THE METAL OF SAID SELECTED METAL COMPOUND IS TO MAJOR DEGREE INSOLUBLE, SAID METALLIC COMPOUND BEING SELECTED FROM THE GROUP CONSISTING OF ZINC OXIDE, COPPER OXIDE, SILVER OXIDE, LEAD OXIDE, IRON OXIDE AND CADMIUM OXIDE, ELECTROLYTICALLY REDUCING SAID COMPOUND IN SAID ELECTROLYTE TO PRODUCE THROUGHOUT SAID MIXTURE FINELY DIVIDED METAL, SAID METAL COMPOUND BEING PRESENT IN RATIO OF AT LEAST 4 TO 1 BY WEIGHT WITH RESPECT TO SAID RESIN, AND SUBJECTING SAID MIXTURE TO A SOLVENT FOR REMOVAL OF AT LEAST THE MAJOR PORTION OF SAID RESIN TO YIELD A POROUS STRUCTURIZED MASS.
References Cited (Backward Citations)
US347754A
Cited
US422308A
Cited
US1139213A
Cited
US2681375A
Cited
US2684989A
Cited
US2838590A
Cited
GB751320A
Cited
US2811572A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-10-02 | 1965-04-03 | 1965-10-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-10-02 | 1969-04-03 | 1969-10-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-10-02 | 1973-04-03 | 1973-10-03 | $7700.00 | Window Closed / Lapsed |